How To Wire My Thermostat December 31, 2018 Wiring . diy.stackexchange.comHeat only 2. This article applies to the ecobee3, ecobee3 lite, and ecobee4 ecobee thermostats require a C (common) wire to power on. If you only... support.ecobee.com Adding An OutletMsd Hvc 6600 Wiring DiagramHow To Read A Wiring Diagram SymbolsSwitch With Outlet7 Pin Flat Connector220 Wire SizeAdd Outlet To Existing WallHow To Hook Up Light Switch With Outlet